Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
SM1601
Service Bulletin/Repair Instructions
Blue Bird Troubleshooting Guides: Blue Bird announcement of the addition of troubleshooting guides for assisting in the service of the Blue Bird products. These troubleshooting guides are available on the Vantage website.
S01EP
Service Bulletin/Repair Instructions
SUBJECT BUSES MAY HAVE HAD CONCERNS REGARDING FUSES BLOWING FREQUENTLY IN THE FRONT HEATER CIRCUIT. *TT
R98CH
Service Bulletin/Repair Instructions
SUBJECT REGARDING RECALL R98CH CUMMINS ELECTRONIC ENGINES COMBUSTION AIR INTAKE GRID HEATER WIRING MODIFICATION. *TT
S98CE
Service Bulletin/Repair Instructions
BUSES MAY EXPERIENCE A FALSE WARNING LIGHT, ALARM AND RAPID SWITCHING OF MULTI-FUNCTION GAUGE ON DASH. *TT